Combine and .

Combine and .

Multiply by .

Combine.

Write as a fraction with denominator .

Multiply by .

Multiply and .

Write as a fraction with denominator .

Multiply by .

Multiply and .

Write as a fraction with denominator .

Multiply by .

Multiply and .

Reorder the factors of .

Multiply by .

Combine fractions with similar denominators.

Multiply by .

Subtract from .

Multiply by .

Multiply by .

Add and .

Combine 3/4x^4+19x^3+1/8x^4-20x^3-17